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相关论文: KappaFormer: Physics-aware Transformer for lattice…

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The lattice thermal conductivity ($\kappa_{\rm L} $) is a critical property of thermoelectrics, thermal barrier coating materials and semiconductors. While accurate empirical measurements of $\kappa_{\rm L} $ are extremely challenging, it…

材料科学 · 物理学 2019-08-06 Lihua Chen , Huan Tran , Rohit Batra , Chiho Kim , Rampi Ramprasad

The lattice thermal conductivity ($\kappa_{\ell}$) is a key materials property in power electronics, thermal barriers, and thermoelectric devices. Identifying a wide pool of compounds with low $\kappa_{\ell}$ is particularly important in…

材料科学 · 物理学 2023-09-14 Rasmus Tranås , Ole Martin Løvvik , Kristian Berland

Accurate prediction of lattice thermal conductivity ($\kappa_l$) in strongly anharmonic materials requires renormalized interatomic force constants (IFCs) and appropriate incorporation of diagonal and off-diagonal contributions and…

材料科学 · 物理学 2025-12-02 Ashis Kundu , Florian Knoop , Igor A. Abrikosov

Lattice thermal conductivity ($\kappa_L$) is a key physical property governing heat transport in solids, with direct relevance to thermoelectrics, thermal barrier coatings, and heat management applications. However, while experimental…

材料科学 · 物理学 2025-11-24 Piyush Paliwal , Aftab Alam

Ultrahigh lattice thermal conductivity materials hold great importance since they play a critical role in the thermal management of electronic and optical devices. Models using machine learning can search for materials with outstanding…

材料科学 · 物理学 2021-05-19 Shenghong Ju , Ryo Yoshida , Chang Liu , Kenta Hongo , Terumasa Tadano , Junichiro Shiomi

Lattice thermal conductivity (LTC) is a critical parameter for thermal transport properties, playing a pivotal role in advancing thermoelectric materials and thermal management technologies. Traditional computational methods, such as…

材料科学 · 物理学 2025-09-22 Yuxuan Zeng , Wei Cao , Yijing Zuo , Tan Peng , Yue Hou , Ling Miao , Ziyu Wang , Jing Shi

Understanding the coupling between structural phase transitions and thermal transport is essential for designing functional materials with tunable properties. Here, we investigate this interplay in CaSnF$_6$ by combining first-principles…

材料科学 · 物理学 2026-04-15 Daxue Hao , Hao Huang , Geng Li , Yu Wu , Shuming Zeng

Machine learning promises to accelerate the material discovery by enabling high-throughput prediction of desirable macro-properties from atomic-level descriptors or structures. However, the limited data available about precise values of…

机器学习 · 计算机科学 2024-11-28 L. Klochko , M. d'Aquin , A. Togo , L. Chaput

The half-Heusler compound has drawn attention in a variety of fields as a candidate material for thermoelectric energy conversion and spintronics technology. This is because it has various electronic structures, such as semi-metals,…

Lattice thermal conductivity ($\kappa_L$) is crucial for efficient thermal management in electronics and energy conversion technologies. Traditional methods for predicting \k{appa}L are often computationally expensive, limiting their…

材料科学 · 物理学 2025-03-24 Yujie Liu , Xiaoying Wang , Yuzhou Hao , Xuejie Li , Jun Sun , Turab Lookman , Xiangdong Ding , Zhibin Gao

First-principles prediction of lattice thermal conductivity $\kappa_L$ of strongly anharmonic crystals is a long-standing challenge in solid state physics. Making use of recent advances in information science, we propose a systematic and…

材料科学 · 物理学 2015-11-17 Fei Zhou , Weston Nielson , Yi Xia , Vidvuds Ozolins

Spatio-temporal traffic forecasting is challenging due to complex temporal patterns, dynamic spatial structures, and diverse input formats. Although Transformer-based models offer strong global modeling, they often struggle with rigid…

人工智能 · 计算机科学 2025-08-20 Jiayu Fang , Zhiqi Shao , S T Boris Choy , Junbin Gao

We propose an efficient approach for simultaneous prediction of thermal and electronic transport properties in complex materials. Firstly, a highly efficient machine-learned neuroevolution potential is trained using reference data from…

材料科学 · 物理学 2024-04-08 Zheyong Fan , Yang Xiao , Yanzhou Wang , Penghua Ying , Shunda Chen , Haikuan Dong

While machine learning (ML) has shown increasing effectiveness in optimizing materials properties under known physics, its application in challenging conventional wisdom and discovering new physics still remains challenging due to its…

介观与纳米尺度物理 · 物理学 2020-12-17 Prabudhya Roy Chowdhury , Xiulin Ruan

We propose a first-principles model of minimum lattice thermal conductivity ($\kappa_{\rm L}^{\rm min}$) based on a unified theoretical treatment of thermal transport in crystals and glasses. We apply this model to thousands of inorganic…

We perform machine learning (ML) simulations and density functional theory (DFT) calculations to search for materials with low lattice thermal conductivity, $\kappa_L$. Several cadmium (Cd) compounds containing elements from the…

材料科学 · 物理学 2024-11-05 Chia-Min Lin , Abishek Khatri , Da Yan , Cheng-Chien Chen

Machine learning has revolutionized many fields, including materials science. However, predicting properties of crystalline materials using machine learning faces challenges in input encoding, output versatility, and interpretability. We…

材料科学 · 物理学 2025-05-22 Haosheng Xu , Dongheng Qian , Jing Wang

One of the most accurate approaches for calculating lattice thermal conductivity, $\kappa_l$, is solving the Boltzmann transport equation starting from third-order anharmonic force constants. In addition to the underlying approximations of…

Thermal transport in highly anharmonic, amorphous, or alloyed materials often deviates from the predictions of conventional phonon-based models. First-principles approaches have introduced a coherent contribution to account for these…

材料科学 · 物理学 2025-11-26 Đorđe Dangić

Low lattice thermal conductivity is essential for high thermoelectric performance of a material. Lattice thermal conductivity is often computed using density functional theory (DFT), typically at a high computational cost. Training machine…

材料科学 · 物理学 2021-09-30 Rasmus Tranås , Ole Martin Løvvik , Oliver Tomic , Kristian Berland
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